Modernization, Flow Investigations, Fire and Smoke Gas Simulations for HO Subway Station

Creation, plausibility check, and updating of a 3D CFD base model for the HO subway station; execution of fire and smoke gas simulations with and without moving networks or train movements; flow and climate simulations for summer and winter conditions. Investigation of the effects of planned installations and modifications such as new intermediate level, altered access, escalators, elevators, enclosures, smoke curtains, ramps, openings, shafts, and bicycle parking facilities. The simulations evaluate smoke and heat propagation, visibility, optical density, usability of escape routes, flow paths, temperature distribution, air exchange, local heat accumulation, pressure/suction profiles, and flow velocities. Provision of aerodynamic suction and pressure values as input data for static evaluations; static dimensioning and structural stability proofs are not included. Results must be documented for auditability and prepared as a basis for fire protection concepts, evacuation considerations, specialized planning, and coordination with departments, TAB, and the fire department. Remuneration is based on lump sums, contingent items, and hourly rates offered in the bill of quantities.

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